Find the coordinates of the point (a, b).
a=?
A) 1
B) sqrt 2
C) sqrt 2/2

b=?
A) 1
B) sqrt 2
C) sqrt 2/2

(it already told me the answer but can you please explain to me how to get the answer because i am very confused, thank
you

How many days was the temperature above 90 degrees?

Do social recommendations increase ad effectiveness? a study of online video viewers compared viewers who arrived at an advertising video for a particular brand by following a social media recommendation link to viewers who arrived at the same video by web browsing. data were collected on whether the viewer could correctly recall the brand being advertised after seeing the video. the results are given below. correctly recalled the brandarrival 409153browsing20484b. conduct the hypothesis test, using the 0.025 level of significance. what is the value of the test statistic? χ2stat=what is the p-value? p-value=is this value significant atα=0.025?

Aright cylinder has a diameter of 8 m and a height of 6m. what is the volume of the cylinder